Mar 25, 2026 • Leetcode
Replace Words
In English, we have a concept called root, which can be followed by some other word to form another longer word
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Mar 24, 2026 • Leetcode
Range Sum Query - Mutable
Given an integer array nums, handle multiple queries of the following types:
Read more →Mar 23, 2026 • Leetcode
Remove Duplicates from Sorted Array II
Given an integer array nums sorted in non-decreasing order, remove some duplicates in-place such that each unique element appears at most twice. The relative or
Read more →Mar 22, 2026 • Leetcode
Range Sum Query 2D - Immutable
Given a 2D matrix matrix, handle multiple queries of the following type:
Read more →Mar 20, 2026 • Leetcode
Jump Game II
You are given a 0-indexed array of integers nums of length n. You are initially positioned at index 0.
Read more →Mar 19, 2026 • Leetcode
Target Sum
You are given an integer array nums and an integer target.
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